Test Details

Lab Company: Mosaic Diagnostics
Sample Type: Stool
Collection Location: At Home

The Microbiology Test determines what microorganisms are present in the body and which may be causing infection.

Key Details

You must avoid certain foods and medications prior to sample collection.
Do not collect your sample while menstruating or actively bleeding from hemorrhoids.
Ship your sample Monday - Wednesday only.
You DO NOT need to register your kit online or complete a requisition form.

Save the cardboard test kit box - you will use this to ship back your sample.
If your practitioner has ordered Mosaic Diagnostics tests with multiple sample types, consult THIS DOCUMENT to determine the order in which you should collect your samples.
DO NOT collect your sample while menstruating or actively bleeding from hemorrhoids.
Avoid the following medications for 2 weeks prior to sample collection.
- Probiotic supplements
If you are taking any of these medications, finish the course of medication, wait 3 days, and then collect.
- Antifungals
- Antibiotics
Avoid the following foods and medications for 48 hours prior to sample collection.
- Digestive enzymes
- Antacids
- Aspirin or other NSAIDs
If you have trouble producing stool, you can use one of the following laxatives 24 hours prior to sample collection.
- Oral phosphate soda laxatives, such as Fleet
- Magnesium citrate
- Psyllium fiber
- Enemas using distilled water only
DO NOT use suppositories or mineral oil prior to sample collection.

Write the following information on the barcode stickers.
1. Your full name
2. Date of collection
3. Time of collection
Place a barcode sticker on the YELLOW-top vial.
Urinate prior to collection.
Collect stool in the collection tray.
1. Do not contaminate the stool with urine or water.
2. It may help to put plastic wrap over the toilet and then place the collection container on top of the plastic. You could also collect your sample on the plastic wrap.
Put on a glove.
Open the YELLOW-top vial.
1. DO NOT touch or discard the preservative in the vial.
Use the attached spoon to transfer stool into the vial.
1. Use only the spoon attached to the YELLOW-top vial.
2. Collect samples from several different areas of the stool specimen.
3. Fill to the fill line.
Tightly seal the vial.
Shake the YELLOW-top vial vigorously for about 30 seconds.
Place the YELLOW-top vial into the refrigerator.
1. DO NOT freeze this vial.
Dispose of the remaining stool and the collection materials.
1. DO NOT flush the tray.

Ship your sample Monday - Wednesday only.
To prepare your sample for shipping,
- Place the YELLOW-top vial into the biohazard zip-lock bag.
- Place the absorbent packing sheet into the biohazard zip-lock bag and seal it.
- Place the biohazard bag into the cardboard test kit box.
- Seal the cardboard test kit box.
- Place the cardboard test kit box into the UPS Laboratory Pak.
- Seal the UPS Laboratory Pak.
Make a note of your tracking number (found on the Return Label) so that you can track your sample back to the lab.
Ship using UPS.
- You can take your sample to the nearest UPS location.
- DO NOT place your sample in a UPS drop box.
- You can also schedule a UPS pickup by calling 1 (800) 742-5877.

Results should be released to your provider 2-3 weeks after your sample is received at the lab. We cannot guarantee processing time.
Your provider will notify you when your results are in and schedule a follow-up appointment for you to review them together.

Reach out to Rupa Health via the chat in your patient portal.